<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>促销图</title>
    <style>
        .box {
            width: 400px;
        }
    
        .box img {
            width: 100%;
        }
    
        /* 哈根达斯 */
        .box1 {
            position: relative;
        }
    
        .box1::before {
            content: url(促销标志-左上.png);
            position: absolute;
        }
    
        .box1::after {
            content: url(促销标志-右下.png);
            position: absolute;
            right: 0px;
            bottom: 0px;
        }
    
      
        .box2 {
            position: relative;
        }
    
        .box2::before {
            content: url(促销标志-左上.png);
            position: absolute;
        }
    
        .box2::after {
            content: url(促销标志-右下.png);
            position: absolute;
            right: 0px;
            bottom: 0px;
        }
    </style>
</head>
<body>
    <div class="box">
        <div class="box1">
            <img src="促销.jpg" alt="">
        </div>
        <div class="box2">
            <img src="黑衣.jpg" alt="">
    
        </div>
    </div>
</body>
</html>